%0 Generic %1 petersen2008qualitative %A Petersen, Wiebke %A Heinrich, Petja %D 2008 %K bibliometrics fca %T Qualitative Citation Analysis Based on Formal Concept Analysis %U http://user.phil-fak.uni-duesseldorf.de/~petersen/slides/Petersen_Heinrich_GFKL2008_slides.pdf